# SunFounder Controller vs MicroBlue

The clearest difference is ratings volume: SunFounder Controller at 28 against MicroBlue's 2. SunFounder Controller also leads on iOS requirement (11.0 vs 13.4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.4 for SunFounder Controller against 4.5 for MicroBlue. That said, the two scores are not equally well evidenced: SunFounder Controller has 28 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | SunFounder Controller | MicroBlue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (28 ratings)](https://appshunter.io/ios/app/sunfounder-controller/id1538719422/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/microblue/id6469052831/reviews)** |
| Number of ratings | **28** | 2 |
| Positive reviews | 94.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 92 MB | 16 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Maker Stars Technology Co., Ltd.](https://appshunter.io/developer/1422345349) | [Mechanismic Inc.](https://appshunter.io/developer/1065657087) |

## What reviewers say

### SunFounder Controller

[App page](https://appshunter.io/ios/app/sunfounder-controller/id1538719422)

This app acts as a virtual remote control for robot kits powered by ESP32 and Raspberry Pi. It offers customizable controls like radar ranging, tracking, sliders, buttons, and arrow keys for interactive robot operation.

**Highlights:** Virtual remote control, ESP32 and Raspberry Pi compatibility, Radar ranging control, Three-channel tracking, Customizable control layout, Sliders, buttons, and arrow keys

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Great app
- 👍 Useful
- 👍 Good functionality
- 👍 Powerful features

**What reviewers complain about**

- 🐛 Needs to be more stable
- 🐛 Needs to be more user-friendly
- 🐛 Disconnects and won't reconnect without reinstallation
- 🐛 Link button off-screen on iPhone XS Max

**Reported bugs**

- App disconnects and requires reinstallation to reconnect
- Link button is off-screen on iPhone XS Max

**Requested features**

- Add a list-box or radio-button widget class
- More warm functions


### MicroBlue

[App page](https://appshunter.io/ios/app/microblue/id6469052831)

This app connects to microcontrollers via Bluetooth/BLE, offering a customizable interface for control and interaction. It supports various components like joysticks and buttons, streamlining hobbyist and professional projects.

**Highlights:** Bluetooth/BLE connectivity, Customizable control interface, D-pads, joysticks, buttons, sliders, Text input support, Works with Arduino and Raspberry Pi, Writable custom service communication

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SunFounder Controller free?

SunFounder Controller is free to download, with no in-app purchases.

### Is MicroBlue free?

MicroBlue is free to download, with no in-app purchases.

### Which has better reviews, SunFounder Controller or MicroBlue?

MicroBlue is rated higher. SunFounder Controller averages 4.4 out of 5 from 28 ratings, while MicroBlue averages 4.5 from 2 ratings.

### Do SunFounder Controller or MicroBlue have ads?

Neither SunFounder Controller nor MicroBlue shows ads.

### Which is updated more often, SunFounder Controller or MicroBlue?

SunFounder Controller ships an update every 3 months, and MicroBlue every 3 months. Most recently, SunFounder Controller was updated on October 3, 2026 and MicroBlue on September 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*